nth

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++nth /enθ/ adjective informal  1  to the nth degree informal LOT/VERY MUCHextremely, or as much as possible 极度地；无穷地 It was boring to the nth degree. 那事令人厌烦透顶。2  [only before noun]LOT/LARGE NUMBER OR AMOUNT the most recent of a long series of similar things that have happened 无数次的，多次的 Even after I’d reminded him for the nth time, he forgot. 尽管我已提醒过他无数次，他还是忘了。Origin nth (1800-1900) n mathematical sign for a number of unknown value + -th

nth adjectiveChinese  

nth
nth /enθ/ adjective1. to the nth degree informal extremely, or as much as possible:
    It was boring to the nth degree.
2. [only before noun] informal the most recent of a long series of similar things that have happened:
    Even after I’d reminded him for the nth time, he forgot.

nthBrE /enθ/ 🔊NAmE /enθ/ 🔊 adjective [only before noun] (informal) used when you are stating that sth is the last in a long series and emphasizing how often sth has happened （某事已发生多次，并强调其频繁性）第 n 个的，第 n 次的◆It's the nth time I've explained it to you. 这件事我已经向你解释过无数遍了。🔊🔊●to the nth ˈdegreeextremely; to an extreme degree 极端地；非常地；极大程度上